Messages in this thread | | | Date | Thu, 22 Nov 2018 11:08:12 +0100 | From | Peter Zijlstra <> | Subject | Re: [RFC][PATCH 00/14] function_graph: Rewrite to allow multiple users |
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On Wed, Nov 21, 2018 at 08:27:08PM -0500, Steven Rostedt wrote: > Well the fuction graph tracer is arguably the strongest of the tracers. > It shows both the entrance and exit of a function, can give the timings > of a function, and shows the execution of the code quite nicely. > > But it has one major flaw. > > It can't let more than one user access it at a time.
The reason I 'never' use it is performance, it _sucks_.. I've never ran into the multi-user issue.
So while I don't think the rewrite is bad, this argument here is.
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